<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>用户界面</title>
</head>
<body>
<%
	Object logged=session.getAttribute("logged");
	if(logged==null||(Integer)logged!=1){
		out.println("<script>alert('请先登录！');window.location='index.html';</script>");
	}
%>
	
<% 
	Object user = session.getAttribute("user");
	out.println("<p>"+"欢迎"+user+"同学"+"</p>");
%>
</body>
</html>
